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tntrr tatrs datnt @fitta ISAIAH B. ARTHUR, OF SIDONSBURG, PENNSYLVANIA.

Letters Patent No. 74,032, elated February 4, 1868.

IMPROVEMENT IN CORN-PLOUGH AND ULTIVATOR.

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TO ALL WIIOM IT MAY OONOERN: l

13e itknown that I, ISAIAH B. ARTHUR, of Sidonsbnrg, inthe county of Yorlr, and State of Pennsylvania, have invented a now and improved Corn-Plough and Oultivator; and I do hereby declare the following to be a full, clear, and exact description ofthe saine, suiiicient to enable those skilled in the art to which my invention Y appertains to malte use of it, reference being had to the accompanying drawings, forming part of this specifica` tion, in whichw Figure 1 is a top view,

Figure 2 a side elevation, and

Fig-ure 3 a detached view of the plate upon which the side pieces are adjusted.

Figure 4 is the supportingpost S.

This cnltivator is made with ono ixed handle, and one which can be removed froml side to side, so that the handles may be adapted to the position of the operator, and the instrument may be more easily held and regu. lated. In connection with these handles, it has a new form ot'guards, to protect the young corn from injury, and a new device for adjusting the instrument in width. I i

In the drawings, A Al A2 A3 represent the frame of the instrument, B the draught-beam, D the teeth, and E E the handles. One of these, E, is fixed lat the centre of the instrument; the other, E', is used at the side of' the eultivator, and can be adjusted on either side, and shiftedfrom one side to the other, by means of a pivotlink, Z, at its lower or forward end, and a key and socket, 7:, operating where it passes through a gain, s, in the side of the supporting-standards S S. One of these standards is fixed near either end of thc rear cross-beam, und, by removing the key, le, the handle can be taken ont ot the gain s, in one post, and transferred to that of the opposite post, as shown in black and red lines in tig. 1. This method` of construction is adopted in order that the operator may walk on the side of the instrument nearest to the corn when cultivating between the rows, and may lift the instrument towards the corn, instead of being obliged to push it 11p the inclined side-hill, When the corn is hilled high, a cultivator always has a tendency to sag away from it, and has to be held near it by the hand. This operation is rendered much easier with this improved instrument than in the old ones provided with only two handles. In connection with this device, two wire guards, C, are provided, one rnnning on each side of the corn, and protecting it from injury by the dirt falling upon it. These guards are of' the form shown clearly in tig. 2, and are hinged at their rear end at c, and are held stiiliy in position by rods a c at their forward ond, running up through the forward beam A of the fra1ne. In all the guides hitherto employed, either aflat plate or screen has been used, working on cach side of the hill; or if a wire one has been employed, it has been hingod at the forward end, and is liable to close together and run over the corn, more effeetnally destroying it i'n that manner than if the dirt had been allowed to fall upon it. In this, however, the vertical rods o c hold the sides of the guard apart, and absolutely prevent their even coming upon the corn, if the instrument is properly managed in the field. With these two improvements I combine one which relates to thc expanding or contracting of tho instrument in width. I form, at the ends of the cross-beams A Al of the frame, vertical slots a a, through which pass bolts b b, secured by nuts, that hold the side pieces A A of the frame in place. `The side pieces can be secured at any point in the slots, thus making the instrument wider or narrower, nt pleasure. As so far described, the device for adjusting the width is old. My improvement consists in corrugating the under side ofthe side beams A2 A3 longitudinally at their ends, and fastening upon the upper side of the cross-beams A A1, attheir ends, corrugated slotted plates e e, which support the side beams. The corrng'ntions of the side beams tit into those ofthe plates, and, when the nut is screwed tight, hold the side beams firmly in place, not allowing them the slightest lateral'movement.

Having thus described my invention,"what I claim as new, and desire to secure by Letters Iatent, is

1. I claim the combination of the fixed central handle E with the shifting adjustable handle E, when used in a corn-plough and cultivator, substantially as and for the purpose specified.

2. I claim the wire guard O, when constructed in the forni shown, hinged at its rear end,` and allowed to rise and fall at its forward end, and, when held in position by rods c c at its forward end, preventing the two guards from changing their parallel position to each other, substantially in themanner and, for the purposes set forth. v

3. I claim the -corrugated plates e e, when used in combination with the side' beams A2 A3, having corrugated ends, substantially as and for the purposesindicated.

` ISAIAH B. ARTHUR.

Witnesses:

JAMES H. GRIDLEY,

NATHArLK. ELLsWoRTH. 

